18-letter words containing f, e, s, t, y
- six-finger country — an isolated area considered as being inhabited by people who practise inbreeding
- society of friends — a Christian denomination, founded in England c. 1650 by George Fox, that has no formal creed, liturgy, or priesthood and rejects violence in human relations, esp. warfare
- sodium hyposulfite — sodium thiosulfate.
- sound and the fury — a novel (1929) by William Faulkner.
- specific viscosity — a measure of the resistance to flow of a fluid, expressed as the ratio of the absolute viscosity of the fluid to that of a reference fluid (usually water in the case of liquids)
- spotted flycatcher — a European woodland songbird, Muscicapa striata, with a greyish-brown streaked plumage: family Muscicapidae (Old World flycatchers)
- state of emergency — If a government or other authority declares a state of emergency in an area, it introduces special measures such as increased powers for the police or army, usually because of civil disorder or because of a natural disaster such as an earthquake.
- symmetric function — a polynomial in several indeterminates that stays the same under any permutation of the indeterminates.
- to feast your eyes — If you feast your eyes on something, you look at it for a long time with great attention because you find it very attractive.
- to play favourites — to display favouritism
- treasury of merits — the superabundant store of merits and satisfactions, comprising those of Christ, the Virgin Mary, and the saints.
- treaty of rijswijk — a treaty signed at Rijswijk in the Netherlands in 1697, ending the War of the Grand Alliance
- university faculty — a division within a university comprising one subject area, or a number of related subject areas
- wildlife sanctuary — an area where wild animals and plants are protected